<template>
  <div class="login">
    <div class="login-img">
      <img class="img" src="@/assets/images/login-img.png" alt="" />
    </div>
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">登录</h3>
      <el-form-item prop="username">
        <div class="input-label">
          <el-icon> <User /> </el-icon>账号
        </div>
        <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="请输入账号"> </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <div class="input-label">
          <el-icon> <Lock /> </el-icon>密码
        </div>
        <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="请输入密码" @keyup.enter="handleLogin"> </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <div class="input-label"><svg-icon icon-class="validCode" class-name="mr-10px" />验证码</div>
        <div class="flex">
          <el-input v-model="loginForm.code" size="large" auto-complete="off" placeholder="请输入验证码" style="width: 63%" @keyup.enter="handleLogin"></el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 50px 0px;opacity: 0.5;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="large" type="primary" style="width:100%;height: 54px;font-size: 20px;" @click.prevent="handleLogin">
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2024 重庆宝威科技有限公司 All Rights Reserved.</span>
    </div>
  </div>
</template>
<script setup lang="ts">
import { getCodeImg } from '@/api/login';
import Cookies from 'js-cookie';
import { encrypt, decrypt } from '@/utils/jsencrypt';
import { useUserStore } from '@/store/modules/user';
import { LoginData } from '@/api/types';
import { FormRules, ElForm } from 'element-plus';
import { to } from 'await-to-js';

const userStore = useUserStore();
const router = useRouter();

const loginForm = ref<LoginData>({
  username: '',
  password: '',
  rememberMe: false,
  code: '',
  uuid: ''
});

const loginRules: FormRules = {
  tenantId: [{ required: true, trigger: 'blur', message: '请输入您的租户编号' }],
  username: [{ required: true, trigger: 'blur', message: '请输入您的账号' }],
  password: [{ required: true, trigger: 'blur', message: '请输入您的密码' }],
  code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
};

const codeUrl = ref('');
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(false);
// 租户开关
const tenantEnabled = ref(false);

// 注册开关
const register = ref(false);
const redirect = ref(undefined);
const loginRef = ref<InstanceType<typeof ElForm> | null>(null);

const handleLogin = () => {
  loginRef.value?.validate(async (valid: boolean, fields: any) => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set('username_ruoyi', loginForm.value.username, { expires: 30 });
        Cookies.set('password_ruoyi', String(encrypt(loginForm.value.password)), { expires: 30 });
        Cookies.set('rememberMe_ruoyi', String(loginForm.value.rememberMe), { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove('username_ruoyi');
        Cookies.remove('password_ruoyi');
        Cookies.remove('rememberMe_ruoyi');
      }
      // 调用action的登录方法
      const [err] = await to(userStore.login(loginForm.value));
      loading.value = false;

      await router.push({ path: redirect.value || '/' });
      // if (!err) {
      //     await router.push({ path: redirect.value || '/' });
      // } else {
      //     loading.value = false;
      //     // 重新获取验证码
      //     if (captchaEnabled.value) {
      //         await getCode();
      //     }
      // }
    } else {
      console.log('error submit!', fields);
    }
  });
};

/**
 * 获取验证码
 */
const getCode = async () => {
  const res = await getCodeImg();
  const { data } = res;
  captchaEnabled.value = data.captchaEnabled === undefined ? true : data.captchaEnabled;
  if (captchaEnabled.value) {
    codeUrl.value = 'data:image/gif;base64,' + data.img;
    loginForm.value.uuid = data.uuid;
  }
};

const getCookie = () => {
  const username = Cookies.get('username_ruoyi');
  const password = Cookies.get('password_ruoyi');
  const rememberMe = Cookies.get('rememberMe_ruoyi');
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : (decrypt(password) as string),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
};

onMounted(() => {
  getCookie();
});
</script>
<style lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  position: relative;
  background-color: rgba(5, 20, 39, 1);
  overflow: hidden;

  &::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: url('../assets/images/login-bg.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
  }

  .login-img {
    position: absolute;
    left: 300px;
    width: 702px;
    height: 552px;
    z-index: 1;

    .img {
      width: 100%;
      height: 100%;
    }

    &::after {
      content: '';
      display: block;
      width: 702px;
      height: 552px;
      background-image: url('../assets/images/login-img.png');
      background-repeat: no-repeat;
      background-size: 100% 100%;
      // transform-origin: bottom center;
      transform: rotate(180deg) translateY(130px);
      opacity: 0.1;
    }
  }
}

.title {
  margin: 0px auto 50px auto;
  // text-align: center;
  color: #fff;
  font-size: 30px;
}

.login-form {
  border-radius: 20px;
  box-shadow: 0 0 0 0.25px #fff;
  background: rgba(22, 46, 81, 0.25);
  width: 492px;
  height: 632px;
  padding: 100px 81px;
  position: absolute;
  right: 242px;
  z-index: 1;

  .el-input {
    width: 100%;
    height: 48px;

    input {
      height: 48px;
    }

    :deep(.el-input__wrapper) {
      background-color: rgba(255, 255, 255, 0.08);

      &:not(.is-focus) {
        box-shadow: none;
      }

      .el-input__inner {
        color: #fff;
      }
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }

  .input-label {
    color: #fff;
    font-size: 18px;
    line-height: 2;
    display: flex;
    align-items: center;

    .el-icon {
      margin-right: 10px;
    }
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 48px;
  border-radius: 2px;
  overflow: hidden;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial, serif;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 48px;
  padding-left: 4px;
}

@media screen and (max-width: 1700px) {
  .login {
    .login-img {
      left: 6%;
    }
  }

  .login-form {
    right: 6%;
  }
}

@media screen and (max-width: 1300px) {
  .login {
    .login-img {
      display: none;
    }
  }

  .login-form {
    left: 50%;
    transform: translateX(-50%);
    max-width: 95%;
  }
}

@media screen and (max-width: 768px) {
  .login-form {
    padding: 40px 20px;
    height: 520px;
  }
}
</style>
